Q12 Assertion (A) : The molecularity of the reaction H₂+ Br₂ —>2HBr appears to be 2.
Reason (R) : Two molecules of the reactants are involved in the given elementary reaction.
Reason (R) : Two molecules of the reactants are involved in the given elementary reaction.
- (i) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
- (ii) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
- (iii) Assertion (A) is correct, but Reason (R) is incorrect statement.
- (iv) Assertion (A) is incorrect, but Reason (R) is correct statement.
Q13 Assertion (A) : Linkage isomerism arises in coordination compounds because of ambidentate ligand.
Reason (R) : Ambidentate ligand like NO₂ has two different donor atoms i.e., N and O.
Reason (R) : Ambidentate ligand like NO₂ has two different donor atoms i.e., N and O.
- (i) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
- (ii) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
- (iii) Assertion (A) is correct, but Reason (R) is incorrect statement.
- (iv) Assertion (A) is incorrect, but Reason (R) is correct statement.
Q14 Assertion (A) : Au and Ag are extracted by leaching their ores with a dil. solution of NaCN.
Reason (R) : Impurities associated with these ores dissolve in NaCN.
Reason (R) : Impurities associated with these ores dissolve in NaCN.
- (i) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
- (ii) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
- (iii) Assertion (A) is correct, but Reason (R) is incorrect statement.
- (iv) Assertion (A) is incorrect, but Reason (R) is correct statement.
Q15 Assertion (A) : F – F bond in F₂ molecule is weak.
Reason (R) : F atom is small in size.
Reason (R) : F atom is small in size.
- (i) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
- (ii) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
- (iii) Assertion (A) is correct, but Reason (R) is incorrect statement.
- (iv) Assertion (A) is incorrect, but Reason (R) is correct statement.
Q16 Assertion (A) : Sucrose is a non-reducing sugar.
Reason (R) : Sucrose has glycosidic linkage.
Reason (R) : Sucrose has glycosidic linkage.
- (i) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
- (ii) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
- (iii) Assertion (A) is correct, but Reason (R) is incorrect statement.
- (iv) Assertion (A) is incorrect, but Reason (R) is correct statement.
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